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1028471 is a prime number
BaseRepresentation
bin11111011000101110111
31221020210112
43323011313
5230402341
634013235
711512313
oct3730567
91836715
101028471
11642784
1241721b
132a0182
141cab43
15154aeb
hexfb177

1028471 has 2 divisors, whose sum is σ = 1028472. Its totient is φ = 1028470.

The previous prime is 1028437. The next prime is 1028473. The reversal of 1028471 is 1748201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028471 - 214 = 1012087 is a prime.

It is a super-3 number, since 3×10284713 = 3263603616162393333, which contains 333 as substring.

Together with 1028473, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514235 + 514236.

It is an arithmetic number, because the mean of its divisors is an integer number (514236).

21028471 is an apocalyptic number.

1028471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028471 is an equidigital number, since it uses as much as digits as its factorization.

1028471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1028471 is about 1014.1355925122. The cubic root of 1028471 is about 100.9401665020.

The spelling of 1028471 in words is "one million, twenty-eight thousand, four hundred seventy-one".